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(() => {function fun(n, o){
console.log(o);return {
fun: function(m){
return fun(m, n);
}
}
}
console.log('---------- (1) ----------');vara = fun(0);a.fun(1);a.fun(2);a.fun(3);
console.log('---------- (2) ----------');varb = fun(0).fun(1).fun(2).fun(3);
console.log('---------- (3) ----------');varc = fun(0).fun(1);c.fun(2);c.fun(3);
})();/*---------- (1) ----------
undefined
---------- (2) ----------
undefined
1
2
---------- (3) ----------
undefined
1
1*//*帮我解释一下,谁哦?*/
来自 “ ITPUB博客 ” ,链接:https://blog.itpub.net/4560/viewspace-3134298/ ,如需转载,请注明出处,否则将追究法律责任。